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About C4Media

C4Media has created InfoQ and QCon

Software is changing the world. In 2006, Floyd Marinescu, together with Roxanne Beverstein, and Alex Popescu, saw a need for unbiased content and information in the enterprise development community. That's where we - with your help - stepped in. With a mission and passion for empowering developers, we founded C4Media to build a "community of communities created by the community and for the community.

Today, we're a global firm with offices in Canada, the United States, China, Romania, Brazil, Japan, France, and Greece. Our two core brands are InfoQ and QCon.


We organize QCon, where hundreds of speakers and thousands of attendees meet to learn about the latest trends in software development. QCon conferences run annually in San Francisco, New York, London, Beijing, Shanghai, Tokyo, Sao Paulo, and Rio. They are practitioner-driven conferences designed for people who influence innovation in their teams (including team leads, architects, project managers, and engineering directors). We launched our first QCon-branded conferences in London and San Francisco in 2007. Today, we have:

QCon London / QCon New York / QCon San Francisco / QCon São Paulo / QCon Rio de Janeiro / QCon Beijing / QCon Shanghai / Qcon Tokyo

C4Media team


Core values

We run on passion and our core values are the foundation for a successful community. We believe a great organizations starts with:


We take ownership of results. We'll do what it takes to get things done and are very serious about our commitments.


We believe in honesty and trustworthiness. We publish content our readers can trust. We are being trustworthy with our readers, customers, and each other. We act in the best interests of the company.



We never stop learning and we strive to continually improve ourselves, our processes, and our company.


We experience the joy of serving others. We go above and beyond for our customers, for our readers, and for each other.



Be transparent about process, status, expectations, feelings, successes, and failures.


We have donated more than $57,708 (Canadian) to charities to date:

  • World Vision
  • Ernstein's Women's Shelter
  • Oxfam Canada
  • Unicef
  • One Foundation
  • Free the Children
  • Because I Am a Girl

Management team

Roxanne Beverstein is co-founder of and VP of sales for C4Media. Roxanne is an award-winning advertising veteran who led sales at TheServerSide from 2001-2005. She has worked for a variety of online and high-tech publishers, including Jupiter Media, IDG, Ziff-Davis, Scholastic, and Cahners Publishing.

Floyd Marinescu is CEO and co-founder of and the QCon software-developer conferences that each host 600 to 1,500 attendees in US, UK, China, Brazil, and Japan. Previously, Floyd was chief editor of and, in the distant past wrote the books EJB Design Patterns (2002) and Domain-Driven Design Quickly (2005). Floyd founded and hosts the Toronto Entrepreneurs of Passion and Purpose, a Facebook group of a thousand members with monthly meetings and unconferences.

Dio Synodinos is product manager for InfoQ and QCon platform lead. Throughout his career, Dio has focused on innovative web technologies that push the envelope: he has co-authored two books on HTML5/CSS3, has been the lead HTML5 editor for InfoQ, and has participated in W3C's HTML5 WG and JSR 339 as an invited expert. He has also presented in multiple technical conferences and is a founding member of GreeceJS.

Silke D'Alessandro is the director of events and conferences for C4Media. She is responsible for the strategic planning, execution, and financial management of QCon conferences in New York, San Francisco, and London. Throughout her career, she has been involved in all facets of technology marketing and sales at companies such as Philips Electronics and United Business Media (UBM) with roles ranging from VP of sales to director of marketing.

Charles Humble took over as editor in chief at in March 2014, guiding our content creation including news, articles, books, video presentations, and interviews. Prior to taking on the full-time role at InfoQ, Charles led our Java coverage, and was CTO for PRPi Consulting, a renumeration research firm that was acquired by PwC in July 2012. At PRPi, he had overall responsibility for the development of all custom software used within the company. He has worked in enterprise software for around 20 years as a developer, architect, and development manager. In his spare time, he writes music as one third of the London-based ambient techno group Twofish, whose debut album came out in February 2014 after 14 years of messing about with expensive toys, and spends as much time as he can with his wife and young family.